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Good morning, ladies and
gentlemen, this is your Captain.
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I hope you have a good Christmas.
3
00:00:04,610 --> 00:00:06,189
Captain Stefan Rasmussen
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00:00:06,190 --> 00:00:08,735
has been in love with
flying all of his life.
5
00:00:08,736 --> 00:00:11,889
I got my first idea of flying
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00:00:11,890 --> 00:00:14,026
when I was a young boy.
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00:00:14,027 --> 00:00:16,839
After learning
to fly in the Air Force,
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00:00:16,840 --> 00:00:19,859
Rasmussen joined Scandinavian Airlines.
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00:00:19,860 --> 00:00:22,861
He seemed to like be the one
who really enjoyed his job.
10
00:00:24,164 --> 00:00:27,529
On December the 27th, 1991,
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00:00:27,530 --> 00:00:29,697
he's in command of a
state-of-the-art DC-9.
12
00:00:35,288 --> 00:00:37,619
The flight will take him to
the very edge of his abilities
13
00:00:37,620 --> 00:00:42,119
as his engines fail and his
plane falls out of the sky.
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I was in a nightmare.
15
00:00:43,730 --> 00:00:45,426
Stockholm Scandinavian 751,
16
00:00:45,427 --> 00:00:47,871
we are crashing into the ground now.
17
00:00:49,783 --> 00:00:52,469
What caused
the most baffling accident
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in Sweden's history,
19
00:00:53,890 --> 00:00:56,619
is nothing investigators
could have imagined.
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00:00:56,620 --> 00:00:58,009
What they finally uncover
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00:00:58,010 --> 00:01:01,619
will strain Rasmussen's lifelong
relationship with airplanes
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00:01:01,620 --> 00:01:02,962
to the breaking point.
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00:01:02,963 --> 00:01:07,336
I really felt that I
didn't trust the aircraft.
24
00:01:09,387 --> 00:01:11,242
Mayday, mayday.
25
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It's two
days after Christmas,
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Stockholm Arlanda airport is a mess
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of snow, slush and ice.
28
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Passengers boarding a mid-morning
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Scandinavian Airlines flight to Copenhagen
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are finding the cabin very uncomfortable.
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It was really warm inside
the plane when we entered
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because there had been like
heaters on during night
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and I saw it when the passengers embarked
34
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they also wanted to take
off like jackets and shoes
35
00:02:01,880 --> 00:02:03,203
because it was like a sauna.
36
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Is it possible to turn the heat down now?
37
00:02:21,083 --> 00:02:23,569
34 year old Ulf Cedermark
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has been with the airline for four years.
39
00:02:25,960 --> 00:02:28,083
He's the first officer on today's flight.
40
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It was a light snowfall.
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Temperature was just below
freezing and light winds.
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We were gonna fly Stockholm to Copenhagen
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and then to Warsaw, back to Copenhagen,
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and down to Barcelona that day.
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It would be a quite a long working day.
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Stefan
Rasmussen has just finished
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an exterior check of the plane.
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The Danish pilot is in
command this morning.
49
00:02:55,260 --> 00:02:59,069
And those over 12, almost 13,000 hours
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I've been sitting in the aircraft.
51
00:03:01,590 --> 00:03:04,999
I always felt that I put the aircraft
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00:03:05,000 --> 00:03:07,163
on back, on my, like a rucksack.
53
00:03:08,040 --> 00:03:10,729
And when we are took lift and the wings
54
00:03:10,730 --> 00:03:12,420
we melted together.
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The plane
Rasmussen is strapping
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on today is a nearly new DC-9,
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00:03:17,650 --> 00:03:20,212
easily identifiable by
its two rear engines.
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By now everyone should
know that door stays open.
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Right?
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00:03:29,293 --> 00:03:30,629
Even in the days
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before terrorist threats,
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flying with the cockpit
door open is unusual.
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00:03:35,130 --> 00:03:37,789
It's just one way Rasmussen
has endeared himself
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to the crews and passengers he flies with.
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00:03:41,930 --> 00:03:43,589
I always had my cabin door open
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because I found out that
we had the door open
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and they could see that they
were human being in there,
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they trust you.
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00:03:50,850 --> 00:03:53,113
For me it felt good
that the door was open.
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It just feels like you
have a connection more
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00:03:56,000 --> 00:03:57,706
than if the door is closed.
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00:03:57,707 --> 00:04:00,719
The winter weather
has delayed this flight,
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but Rasmussen won't compromise
safety for schedule.
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00:04:04,410 --> 00:04:06,410
Where are we now with the de-icing?
75
00:04:06,411 --> 00:04:07,610
The wings aren't quite done.
76
00:04:07,611 --> 00:04:10,113
We've done the underside,
now they're doing the top.
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00:04:10,980 --> 00:04:12,618
Thank you.
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00:04:12,619 --> 00:04:15,119
Under Captain
Rasmussen's instructions,
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00:04:15,120 --> 00:04:18,299
the ground crew had already
de-iced the plane once.
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00:04:18,300 --> 00:04:20,739
Now they're giving it another pass.
81
00:04:20,740 --> 00:04:23,449
And it took a while but
they had trouble getting rid
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of the snow on the top of the wing.
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00:04:25,550 --> 00:04:28,059
And so we were slightly
late for the pushback
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00:04:28,060 --> 00:04:29,191
out our runway.
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For Captain Per Holmberg
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this kind of delay is routine business.
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00:04:34,380 --> 00:04:36,593
He flies DC-9s for the airline.
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A passenger this morning,
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he is scheduled to command
another flight later that day.
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00:04:43,940 --> 00:04:45,213
Good morning, ladies and gentlemen,
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00:04:45,214 --> 00:04:46,279
this is your Captain.
92
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I hope you had a good Christmas.
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We're just getting our wings cleared
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00:04:49,810 --> 00:04:51,859
as we've had a bit of snow overnight.
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00:04:51,860 --> 00:04:53,979
And when that's finished,
we're ready for takeoff
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00:04:53,980 --> 00:04:55,889
for some warmer weather.
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I hand picked the
airline's best cabin crew
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to take care of you today.
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00:04:59,640 --> 00:05:01,433
We all hope you have a nice flight.
100
00:05:05,192 --> 00:05:09,159
Finally
Scandinavian Airlines flight 751
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is cleared to proceed.
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There are buildups of snow
that the crew must avoid
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00:05:15,530 --> 00:05:16,780
on the way to the runway.
104
00:05:19,771 --> 00:05:23,536
Would have been nice
of them to clear the snow.
105
00:05:23,537 --> 00:05:25,387
Oh, that would've made it too easy.
106
00:05:28,410 --> 00:05:30,843
Approaching, holding point runway 08.
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Roger Scandinavian 751,
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you are cleared for
takeoff from runway 08.
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Spoilers?
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Armed.
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00:05:44,510 --> 00:05:46,363
Auto brake, take off and armed.
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00:05:47,550 --> 00:05:51,783
Runway update performed,
checklist completed.
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00:05:53,630 --> 00:05:54,840
Set power.
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00:06:01,368 --> 00:06:03,629
Despite
the winter conditions,
115
00:06:03,630 --> 00:06:07,049
the takeoff is routine.
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V1, rotate.
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Gear up.
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Gear up selected.
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00:06:26,280 --> 00:06:28,419
When Ulf reached out for the gear,
120
00:06:28,420 --> 00:06:31,005
I heard some things which was different.
121
00:06:31,006 --> 00:06:33,809
Just 25
seconds into the flight,
122
00:06:33,810 --> 00:06:36,939
as the plane is climbing,
there is a problem.
123
00:06:36,940 --> 00:06:38,346
When you hear things
are different from the
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00:06:38,347 --> 00:06:40,631
anormally you get suspicious.
125
00:06:41,790 --> 00:06:45,429
That was a really big
roar in the aircraft,
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00:06:45,430 --> 00:06:47,843
almost like an explosion, boom.
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00:06:52,791 --> 00:06:56,409
There was another banging noise.
128
00:06:56,410 --> 00:06:57,849
But I just thought, what is that?
129
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I had never heard that before.
130
00:07:00,268 --> 00:07:01,639
It's obvious
the source of the noise
131
00:07:01,640 --> 00:07:02,619
is the right engine.
132
00:07:02,620 --> 00:07:04,479
That sounds serious.
133
00:07:04,480 --> 00:07:05,922
I believe it's a compressor stall.
134
00:07:08,330 --> 00:07:13,269
I took the right troll
and I moved a little back,
135
00:07:13,270 --> 00:07:15,689
but there it really became strange
136
00:07:15,690 --> 00:07:19,579
because the engine performance increased
137
00:07:19,580 --> 00:07:21,649
when I reduced the top.
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00:07:21,650 --> 00:07:23,669
It's like, if you're sitting in your car
139
00:07:23,670 --> 00:07:26,209
and you're turning your wheel to the left
140
00:07:26,210 --> 00:07:30,406
and the car is driving to
the right, you get confused.
141
00:07:35,700 --> 00:07:38,079
We're not supposed to
like call into cockpit now.
142
00:07:38,080 --> 00:07:39,292
And then I thought, this is an emergency,
143
00:07:39,293 --> 00:07:40,653
I have to call the Captain.
144
00:07:42,078 --> 00:07:44,609
But Captain
Rasmussen doesn't respond
145
00:07:44,610 --> 00:07:45,443
to the call.
146
00:07:46,860 --> 00:07:48,609
He's too busy trying to figure out
147
00:07:48,610 --> 00:07:51,079
what's going wrong with his plane.
148
00:07:51,080 --> 00:07:52,502
I couldn't see anything
on the instrument.
149
00:07:52,503 --> 00:07:56,899
They were quite stable and
they're quite normal range.
150
00:07:56,900 --> 00:07:58,309
No, no problem.
151
00:07:58,310 --> 00:08:01,581
But, I could hear those
roaring every second.
152
00:08:01,582 --> 00:08:03,979
He searches
for telltale signs
153
00:08:03,980 --> 00:08:06,069
of attack or structural failure.
154
00:08:06,070 --> 00:08:09,109
And I looked up at the cabin pressure
155
00:08:09,110 --> 00:08:14,110
because if you have a bump,
or a freight door, or anything
156
00:08:15,000 --> 00:08:20,000
which is ripped off, that'll
give a decompression.
157
00:08:21,627 --> 00:08:24,586
In the cabin
pressure levels are stable.
158
00:08:28,840 --> 00:08:30,943
But the crew has other concerns.
159
00:08:32,890 --> 00:08:34,790
I saw the smoke and it smells burnt.
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00:08:38,530 --> 00:08:39,796
What should we do about this?
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00:08:39,797 --> 00:08:42,909
Just 3,200
feet above the ground,
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00:08:42,910 --> 00:08:44,539
the emergency escalates.
163
00:08:44,540 --> 00:08:47,289
The right engine quits.
164
00:08:47,290 --> 00:08:50,849
When we have flown a
little over one minute,
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00:08:50,850 --> 00:08:53,318
the right engine just went down.
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00:08:58,000 --> 00:09:00,209
I had a very, very short moment thinking
167
00:09:00,210 --> 00:09:03,923
that I was in a nightmare
and just dreaming.
168
00:09:05,430 --> 00:09:07,903
I was confused, I was really confused.
169
00:09:07,904 --> 00:09:12,399
Two seconds later
the left engine also quits.
170
00:09:12,400 --> 00:09:14,659
The plane is now powerless.
171
00:09:14,660 --> 00:09:17,309
One engine dropped, and
then another engine dropped.
172
00:09:17,310 --> 00:09:19,829
I thought that it wasn't
true, it wasn't true.
173
00:09:19,830 --> 00:09:21,128
It wasn't real.
174
00:09:21,129 --> 00:09:24,229
Less than a
minute and a half after takeoff
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00:09:24,230 --> 00:09:27,025
the DC-9 begins falling from the sky.
176
00:09:31,220 --> 00:09:33,343
And after that, it was complete silence.
177
00:09:38,550 --> 00:09:41,943
And I think that was
the worst moment for me.
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Just being in the air, and it's so quiet.
179
00:09:46,660 --> 00:09:49,483
It was like a bird just
sailing through the sky.
180
00:09:52,030 --> 00:09:54,323
So then I started to get scared.
181
00:10:01,260 --> 00:10:02,396
Engine relay.
182
00:10:02,397 --> 00:10:05,493
As the pilots
try to restart their engines.
183
00:10:07,070 --> 00:10:08,543
Things get even worse.
184
00:10:09,600 --> 00:10:12,459
The left engine erupts in flames.
185
00:10:12,460 --> 00:10:17,460
And I saw the exhaust gas
temperature was rising rapidly.
186
00:10:17,700 --> 00:10:20,839
Max temperature was
around 680 degrees Celsius
187
00:10:20,840 --> 00:10:24,128
and I saw it go above 800.
188
00:10:24,129 --> 00:10:26,499
A fire in
the engine could spread
189
00:10:26,500 --> 00:10:27,750
to the rest of the plane.
190
00:10:28,740 --> 00:10:29,572
Should I pull?
191
00:10:29,573 --> 00:10:31,819
If Cedermark
pulls the fire extinguisher
192
00:10:31,820 --> 00:10:34,893
in the left engine, he will
never be able to restart it.
193
00:10:40,000 --> 00:10:42,113
He pulls the handle to put out the fire.
194
00:10:47,580 --> 00:10:50,199
From his seat, Captain
Per Holmberg can see
195
00:10:50,200 --> 00:10:51,600
that the crew is in trouble.
196
00:10:59,060 --> 00:11:03,377
Flight 751 is now falling at
a rate of 1200 feet a minute.
197
00:11:07,210 --> 00:11:09,739
But air traffic controllers
at the Stockholm airport
198
00:11:09,740 --> 00:11:11,783
have no idea the plane is in trouble.
199
00:11:13,620 --> 00:11:18,289
Islander Stockholm Scandinavian 751.
200
00:11:18,290 --> 00:11:22,609
Good morning SK 751,
climb to flight level 180.
201
00:11:22,610 --> 00:11:25,269
We have problems with
our engines please.
202
00:11:25,270 --> 00:11:28,533
We need to go back to,
to go back to Islander.
203
00:11:30,481 --> 00:11:32,830
751 Roger turn right heading to...
204
00:11:35,170 --> 00:11:37,276
Suddenly the radio goes dead.
205
00:11:38,580 --> 00:11:40,420
A result of the failed engines.
206
00:11:43,520 --> 00:11:45,999
Only the right engine can provide power,
207
00:11:46,000 --> 00:11:49,039
but it's now spinning too
slowly to generate electricity
208
00:11:49,040 --> 00:11:50,093
for the instruments.
209
00:11:51,870 --> 00:11:53,819
Without the engine you
don't any propulsion.
210
00:11:53,820 --> 00:11:57,361
So you will, the only energy
you have is your height.
211
00:11:57,362 --> 00:11:59,519
With time running out,
212
00:11:59,520 --> 00:12:02,329
the pilots of flight 751 must find a way
213
00:12:02,330 --> 00:12:05,979
to restart the right engine or else crash
214
00:12:05,980 --> 00:12:07,719
into the countryside below.
215
00:12:11,190 --> 00:12:14,749
Scandinavian airlines
flight 751 is now falling
216
00:12:14,750 --> 00:12:17,163
from the sky at 20 feet per second.
217
00:12:18,670 --> 00:12:19,903
How can I help?
218
00:12:19,904 --> 00:12:22,729
Captain Per
Holmberg who boarded the flight
219
00:12:22,730 --> 00:12:25,669
as a passenger becomes
part of the flight crew.
220
00:12:25,670 --> 00:12:27,799
Oh, like he came out in the cockpit
221
00:12:27,800 --> 00:12:30,309
and he said is there
anything I can help you with?
222
00:12:30,310 --> 00:12:31,659
I don't think I even said yes.
223
00:12:31,660 --> 00:12:33,971
I said, just a, start the APU.
224
00:12:33,972 --> 00:12:37,159
If the auxiliary
power unit can be launched,
225
00:12:37,160 --> 00:12:39,459
it will bring back the
radio and instruments.
226
00:12:39,460 --> 00:12:42,549
So, I just handed him
the emergency checklist
227
00:12:42,550 --> 00:12:46,489
and started focusing on
controlling the flights
228
00:12:46,490 --> 00:12:48,749
to see that we were maintaining the speed
229
00:12:48,750 --> 00:12:51,119
and by the attitude that
we were wings level.
230
00:12:57,150 --> 00:13:00,119
He managed to start the
auxiliary power unit,
231
00:13:00,120 --> 00:13:03,563
so, my flight instruments
were supplied from that.
232
00:13:03,564 --> 00:13:05,109
But for some reason
233
00:13:05,110 --> 00:13:08,569
Captain Rasmussen's instruments
don't come back online.
234
00:13:08,570 --> 00:13:11,603
He managed to fly the
plane basically by feet.
235
00:13:14,090 --> 00:13:17,269
Power is also
restored to the cabin,
236
00:13:17,270 --> 00:13:19,189
but it's small comfort to passengers
237
00:13:19,190 --> 00:13:21,403
who now know that in extreme danger.
238
00:13:22,630 --> 00:13:25,049
Stockholm, air traffic
control instructs the pilots
239
00:13:25,050 --> 00:13:27,146
to return to the airport.
240
00:13:27,147 --> 00:13:30,369
Scandinavian 751 are
you able to turn right heading
241
00:13:30,370 --> 00:13:32,073
Zero nine or zero radar vectoring for 0-1?
242
00:13:35,385 --> 00:13:38,329
But the plane
is now just 1600 feet
243
00:13:38,330 --> 00:13:39,203
from the ground.
244
00:13:40,220 --> 00:13:43,249
And first officer Cedermark
attempts to resuscitate it,
245
00:13:43,250 --> 00:13:44,103
aren't working.
246
00:13:46,380 --> 00:13:48,519
Roger, we are maintaining our heading
247
00:13:48,520 --> 00:13:50,340
but we're trying to restart our engine
248
00:13:50,341 --> 00:13:54,049
Making a 180
degree turn back to Stockholm
249
00:13:54,050 --> 00:13:55,333
could be catastrophic.
250
00:13:56,750 --> 00:13:58,289
I really had the feeling that I've,
251
00:13:58,290 --> 00:13:59,979
if I turned the aircraft at that time,
252
00:13:59,980 --> 00:14:01,119
we would have stalled.
253
00:14:01,120 --> 00:14:03,529
When you're turning back,
you are losing a lot of energy.
254
00:14:03,530 --> 00:14:06,979
So the most safe thing to do
is actually just to go straight
255
00:14:06,980 --> 00:14:08,569
and then keep your wings level.
256
00:14:08,570 --> 00:14:11,309
That means that you will use less energy
257
00:14:11,310 --> 00:14:14,513
of your altitude so you
can maintain your speed.
258
00:14:14,514 --> 00:14:17,439
You can maintain 2000 feet.
259
00:14:17,440 --> 00:14:19,539
We are not able to maintain 2000 feet.
260
00:14:19,540 --> 00:14:22,853
We are descending, we are
at 1600 feet and descending.
261
00:14:24,470 --> 00:14:27,029
Holmberg wants Rasmussen
to focus his attention
262
00:14:27,030 --> 00:14:29,219
on finding a landing spot.
263
00:14:29,220 --> 00:14:31,247
Look straight ahead.
264
00:14:39,010 --> 00:14:40,659
Look straight ahead.
265
00:14:40,660 --> 00:14:44,079
He was screaming at Steff
and just look straight ahead
266
00:14:44,080 --> 00:14:46,259
and watch the flight path.
267
00:14:46,260 --> 00:14:48,579
Prepare for on-ground emergency.
268
00:14:48,580 --> 00:14:49,680
On-ground emergency.
269
00:14:51,700 --> 00:14:55,895
Bend down, bend down, bend down.
270
00:14:56,729 --> 00:14:58,309
So we shouted bend down I
don't know how many times,
271
00:14:58,310 --> 00:15:00,339
bend down, bend down, bend down.
272
00:15:00,340 --> 00:15:01,840
Keep your seat belts fastened.
273
00:15:04,131 --> 00:15:06,329
While passengers grace,
274
00:15:06,330 --> 00:15:08,933
Rasmussen considers
where to land his plane.
275
00:15:10,020 --> 00:15:11,731
Look straight ahead.
276
00:15:15,380 --> 00:15:18,769
And I had an idea that
on the northern direction
277
00:15:18,770 --> 00:15:22,399
could bring us out to
the to the Baltic sea,
278
00:15:22,400 --> 00:15:24,639
which was at that time frozen
279
00:15:24,640 --> 00:15:26,393
and absolutely excellent runway.
280
00:15:29,841 --> 00:15:32,079
But instead he finds himself
281
00:15:32,080 --> 00:15:34,783
gliding powerlessly over a dense forest.
282
00:15:37,160 --> 00:15:42,109
I saw that green area and
I saw that little light spot
283
00:15:42,110 --> 00:15:45,613
in the middle of the forest,
but that really looked short.
284
00:15:47,800 --> 00:15:49,433
Steer right, steer right?
285
00:15:52,578 --> 00:15:55,179
Just 500
feet above the ground,
286
00:15:55,180 --> 00:15:58,799
Captain Rasmussen lifts the
planes nose to slow it down,
287
00:15:58,800 --> 00:16:00,800
hoping to soften the crash landing
288
00:16:03,450 --> 00:16:08,329
Pine trees from the
top they look very soft.
289
00:16:08,330 --> 00:16:11,623
I could use the trees as
a, almost like a pillow.
290
00:16:12,900 --> 00:16:14,849
Should I lower the landing gear?
291
00:16:14,850 --> 00:16:16,083
Yes, gear down.
292
00:16:18,930 --> 00:16:21,009
Bend down and hold your knees
293
00:16:21,010 --> 00:16:23,839
I prepared myself for a hard impact.
294
00:16:23,840 --> 00:16:26,719
Fits an emergency landing
we have no engines.
295
00:16:26,720 --> 00:16:29,739
I just thought this is
gonna be a hard landing.
296
00:16:29,740 --> 00:16:32,439
Stockholm Scandinavian
751 we're crashing
297
00:16:32,440 --> 00:16:34,320
into the ground now.
298
00:16:37,929 --> 00:16:41,929
I wasn't afraid until we
were flying into the trees.
299
00:16:41,930 --> 00:16:45,279
Then I was scared and I knew
we were not gonna make it.
300
00:16:45,280 --> 00:16:47,930
I didn't thought I should
die, I knew I should die.
301
00:16:48,887 --> 00:16:51,361
I made my pray to God.
302
00:17:05,601 --> 00:17:10,268
And then a moment after and
we were, in a strange world.
303
00:17:23,080 --> 00:17:25,299
After we have come to a complete stop,
304
00:17:25,300 --> 00:17:27,813
I feel the smell of airplane fuel.
305
00:17:30,210 --> 00:17:32,123
I thought, okay, we're gonna explode.
306
00:17:33,870 --> 00:17:36,174
And I look around and I see the snow
307
00:17:36,175 --> 00:17:40,809
because there was a big crack
in the airplane fuselage
308
00:17:40,810 --> 00:17:43,509
just in front of the Aft Galley.
309
00:17:43,510 --> 00:17:45,783
And you could just walk
down on the ground.
310
00:17:51,860 --> 00:17:56,609
Everything was quiet and I woke up.
311
00:17:56,610 --> 00:17:58,860
It might only have been
a split second or so.
312
00:18:01,220 --> 00:18:04,079
I was afraid that my spine
was broken, that I wasn't,
313
00:18:04,080 --> 00:18:05,589
I wouldn't be able to walk again.
314
00:18:05,590 --> 00:18:08,479
So I remember I was sitting
there and I was moving my toes
315
00:18:08,480 --> 00:18:11,409
and my feet just to see if I
could have control over them.
316
00:18:11,410 --> 00:18:14,069
I had a pain in my hand
because I had broken a bone
317
00:18:14,070 --> 00:18:16,849
in my hand and I was bleeding
heavily from my forehead.
318
00:18:16,850 --> 00:18:19,509
So I was trying to get clear
of all the blood was coming
319
00:18:19,510 --> 00:18:21,239
down in my eyes.
320
00:18:21,240 --> 00:18:24,277
And Stefan told me that we had
to get out of the aircraft.
321
00:18:28,352 --> 00:18:31,389
After
plowing through 125 meters
322
00:18:31,390 --> 00:18:33,789
of pine forest, the pilot's fear is now
323
00:18:33,790 --> 00:18:36,013
that the broken aircraft could catch fire.
324
00:18:38,750 --> 00:18:40,339
Dozens of passengers escaped
325
00:18:40,340 --> 00:18:42,372
through the breaks in the fuselage walls.
326
00:18:44,500 --> 00:18:47,299
But Captain Per Holmberg
has been knocked unconscious
327
00:18:47,300 --> 00:18:48,153
by the crash.
328
00:18:50,720 --> 00:18:53,369
It all went so fast that
like no one could take
329
00:18:53,370 --> 00:18:55,609
in like what happened.
330
00:18:55,610 --> 00:18:58,846
So I tried to stay with the
group passengers I had there
331
00:18:58,847 --> 00:19:00,679
but I just knew the feeling also
332
00:19:00,680 --> 00:19:03,823
that we had to wait a long
time for the rescue teams.
333
00:19:05,140 --> 00:19:06,801
Help will be here soon.
334
00:19:06,802 --> 00:19:10,469
Fortunately,
no fire materializes,
335
00:19:10,470 --> 00:19:12,509
but because they removed
their winter clothing
336
00:19:12,510 --> 00:19:14,849
while boarding the sweltering plane,
337
00:19:14,850 --> 00:19:17,083
many passengers are starting to freeze.
338
00:19:18,020 --> 00:19:20,639
Most people were just
standing in their shirts,
339
00:19:20,640 --> 00:19:23,989
t-shirts very, very little clothes.
340
00:19:23,990 --> 00:19:25,563
Few didn't even have shoes on.
341
00:19:26,500 --> 00:19:29,283
They are now
at risk from hypothermia.
342
00:19:30,620 --> 00:19:34,033
So I focused on, on being caring.
343
00:19:34,990 --> 00:19:37,559
Maybe I did it for my own sake
also, I needed a hug also.
344
00:19:37,560 --> 00:19:42,423
It was so comforting to
like comfort someone else.
345
00:19:47,663 --> 00:19:50,429
The wreckage
of Scandinavian Airlines
346
00:19:50,430 --> 00:19:54,479
flight 751 lies just
15 kilometers Northeast
347
00:19:54,480 --> 00:19:56,173
of Stockholm Islander Airport.
348
00:19:57,110 --> 00:19:59,573
The fuselage has broken into three pieces.
349
00:20:01,410 --> 00:20:03,689
In the chaos of the moment, nobody knows
350
00:20:03,690 --> 00:20:05,990
how many people have
been killed in the crash.
351
00:20:11,320 --> 00:20:13,099
Rescue was arrived within minutes
352
00:20:13,100 --> 00:20:15,073
and attend to the freezing survivors.
353
00:20:16,690 --> 00:20:20,293
They pull Captain Per Holmberg
from the cabin unconscious.
354
00:20:21,670 --> 00:20:25,629
He landed on the wall at impact.
355
00:20:25,630 --> 00:20:30,319
And he skated down on the
wall to the floor at impact.
356
00:20:30,320 --> 00:20:33,409
So he was quite badly damaged.
357
00:20:33,410 --> 00:20:38,410
He cut his eyelid and he
also got his collarbone
358
00:20:38,920 --> 00:20:39,752
that was broken off.
359
00:20:39,753 --> 00:20:42,963
So his shoulder was in front of him.
360
00:20:44,010 --> 00:20:47,419
92 of the passengers
have sustained injuries.
361
00:20:47,420 --> 00:20:49,310
Only eight are considered serious
362
00:20:52,640 --> 00:20:54,949
But when the crew conducts a headcount
363
00:20:54,950 --> 00:20:56,169
they're stunned to learn that out
364
00:20:56,170 --> 00:21:00,509
of the 129 people who boarded flight 751,
365
00:21:00,510 --> 00:21:03,763
not a single one was killed in the crash.
366
00:21:03,764 --> 00:21:06,029
Everyone survived.
367
00:21:06,030 --> 00:21:10,339
It was like a shock just to take in.
368
00:21:10,340 --> 00:21:13,599
Wow, that was fantastic comment.
369
00:21:13,600 --> 00:21:16,429
I guess I was the happiest
Captain in the world.
370
00:21:16,430 --> 00:21:17,493
We were all alive.
371
00:21:19,070 --> 00:21:20,653
That was a great moment.
372
00:21:21,637 --> 00:21:24,169
Reporters
break the remarkable story
373
00:21:24,170 --> 00:21:28,079
to the world, as the Swedish
Accident Investigation Board
374
00:21:28,080 --> 00:21:31,496
or SAIB takes charge of the case.
375
00:21:33,420 --> 00:21:36,899
Scandinavian airlines
alerts its own investigators
376
00:21:36,900 --> 00:21:40,007
dispatching Tore Hultgren
to head up its team.
377
00:21:42,800 --> 00:21:46,519
It's most unusual that the plane crashes
378
00:21:46,520 --> 00:21:50,359
and in a wooded area,
and everybody survives.
379
00:21:50,360 --> 00:21:53,219
I've never heard of it before.
380
00:21:53,220 --> 00:21:56,533
The police kept everybody
off the site itself.
381
00:21:58,110 --> 00:22:01,573
Was the coding around the
aircraft of 100 meters.
382
00:22:03,800 --> 00:22:07,659
We had to complete aircraft,
nothing had burned.
383
00:22:07,660 --> 00:22:09,445
And we had lots of good day.
384
00:22:10,345 --> 00:22:13,529
Henrik Elinder
from the SAIB gets to work
385
00:22:13,530 --> 00:22:14,453
on the evidence.
386
00:22:15,770 --> 00:22:18,979
And we all started to
plan the documentation
387
00:22:18,980 --> 00:22:22,160
of the extent site, which
means photographing all
388
00:22:23,054 --> 00:22:25,917
the final approach through the woods,
389
00:22:25,918 --> 00:22:29,819
and to take photos of all the parts
390
00:22:29,820 --> 00:22:31,620
that were spread all over the place.
391
00:22:33,070 --> 00:22:36,529
The two black boxes, which
record cockpit conversations
392
00:22:36,530 --> 00:22:39,815
and store flight data are
recovered immediately.
393
00:22:44,580 --> 00:22:46,869
Investigators speak to survivors.
394
00:22:46,870 --> 00:22:48,992
Everyone tells a similar story.
395
00:22:51,220 --> 00:22:54,368
Would you mind telling
me what you saw and heard.
396
00:22:54,369 --> 00:22:57,459
Loud booming
sounds from the engines moments
397
00:22:57,460 --> 00:23:00,599
after the fight began, smoke in the cabin
398
00:23:00,600 --> 00:23:05,179
and finally the entire loss of
power and an engine on fire.
399
00:23:05,180 --> 00:23:07,359
You have a twin engine aircraft
400
00:23:07,360 --> 00:23:10,949
and you are really not
supposed to lose both engines
401
00:23:10,950 --> 00:23:12,153
at the same time.
402
00:23:12,154 --> 00:23:15,239
The Pratt and
Whitney turbofan engines are sent
403
00:23:15,240 --> 00:23:17,359
to a Scandinavian airlines repair shop
404
00:23:17,360 --> 00:23:18,963
for closer examination.
405
00:23:20,300 --> 00:23:22,219
Investigators are eager to speak
406
00:23:22,220 --> 00:23:24,320
with Captain Rasmussen about the incident,
407
00:23:25,480 --> 00:23:28,099
but to the dismay Scandinavian Airlines
408
00:23:28,100 --> 00:23:30,579
takes him to the media first.
409
00:23:30,580 --> 00:23:32,159
First question, what
did you have to think
410
00:23:32,160 --> 00:23:34,263
when board engine refuse to function?
411
00:23:35,750 --> 00:23:37,239
It'll take me off for a lot of time
412
00:23:37,240 --> 00:23:38,290
to tell you all that.
413
00:23:40,040 --> 00:23:43,906
The normal case is that the
key witnesses like the crew
414
00:23:43,907 --> 00:23:47,969
and so on should be kept in quarantine
415
00:23:47,970 --> 00:23:51,488
until they meet the investigation board.
416
00:23:51,489 --> 00:23:53,559
European media celebrate
417
00:23:53,560 --> 00:23:55,739
Captain Stefan Rasmussen as a hero
418
00:23:55,740 --> 00:23:59,369
for landing the DC-9 without engine power.
419
00:23:59,370 --> 00:24:02,149
But investigators consider
the possibility that he
420
00:24:02,150 --> 00:24:05,479
or his co-pilot had made
errors that caused the crisis
421
00:24:05,480 --> 00:24:07,129
in the first place.
422
00:24:07,130 --> 00:24:11,489
The honor and the glory
always rests with a Captain.
423
00:24:11,490 --> 00:24:14,153
But so does also the mishaps.
424
00:24:16,750 --> 00:24:20,739
I knew that being a person
where in the spotlight
425
00:24:20,740 --> 00:24:24,969
of the press would be a
quite different situation.
426
00:24:24,970 --> 00:24:28,119
And I said to myself, the
only thing you can do now
427
00:24:28,120 --> 00:24:31,610
is to give them all the story
428
00:24:32,570 --> 00:24:36,926
and then pray that they
will find the reason.
429
00:24:45,101 --> 00:24:46,839
Laws Lindberg
430
00:24:46,840 --> 00:24:48,589
is an investigative representative
431
00:24:48,590 --> 00:24:51,899
for the Swedish Airlines
Pilot Association.
432
00:24:51,900 --> 00:24:54,499
He examines the wreckage
for signs of mechanical
433
00:24:54,500 --> 00:24:56,349
or structural failure.
434
00:24:58,020 --> 00:25:01,338
We knew both engines had
failed for some reason.
435
00:25:01,339 --> 00:25:05,309
So we was concerned, what was
the background for something
436
00:25:05,310 --> 00:25:06,423
like that to happen?
437
00:25:07,460 --> 00:25:11,399
The first time I saw the
engines in the workshop,
438
00:25:11,400 --> 00:25:12,993
I was surprised.
439
00:25:15,550 --> 00:25:16,893
Is this all they found?
440
00:25:17,810 --> 00:25:22,539
There was a number of parts
that were completely missing.
441
00:25:22,540 --> 00:25:27,014
And this was something we hadn't
seen before to this extent.
442
00:25:27,015 --> 00:25:29,249
To find out what happened,
443
00:25:29,250 --> 00:25:32,050
investigators must find the missing pieces
444
00:25:33,010 --> 00:25:36,791
which now lies somewhere in
snow covered fields and forests.
445
00:25:42,250 --> 00:25:46,429
A close study of Scandinavian
Airlines flight 751 engines
446
00:25:46,430 --> 00:25:49,229
reveals exactly which pieces are missing.
447
00:25:49,230 --> 00:25:51,129
Parts of this aircraft
was shedding parts
448
00:25:51,130 --> 00:25:52,269
from both engines.
449
00:25:52,270 --> 00:25:54,129
And then what you do is you go further in
450
00:25:54,130 --> 00:25:55,379
and you document everything
451
00:25:55,380 --> 00:25:57,079
and you try to find the root cause
452
00:25:57,080 --> 00:25:59,256
and see how it all comes together.
453
00:25:59,257 --> 00:26:01,759
The missing
pieces could hold the key
454
00:26:01,760 --> 00:26:04,649
to discovering why both of
the plane's engines quit
455
00:26:04,650 --> 00:26:06,393
within seconds of each other.
456
00:26:07,690 --> 00:26:10,679
But they could be anywhere
along the 15 kilometer route
457
00:26:10,680 --> 00:26:13,305
the aircraft covered
during its short flight.
458
00:26:14,850 --> 00:26:17,093
They must be found.
459
00:26:20,210 --> 00:26:22,509
Investigators use the flight data recorder
460
00:26:22,510 --> 00:26:24,079
to map the plane's journey
461
00:26:24,080 --> 00:26:27,313
and determine where engine
parts may have fallen.
462
00:26:32,500 --> 00:26:34,379
After scouring the snow covered fields
463
00:26:34,380 --> 00:26:35,713
along the planes path,
464
00:26:37,400 --> 00:26:40,290
the recovery team finds 500 fragments
465
00:26:42,330 --> 00:26:44,030
just a fraction of what's missing.
466
00:26:46,690 --> 00:26:49,209
Many are very badly damaged.
467
00:26:49,210 --> 00:26:51,799
Some of the titanium
blades actually seem to
468
00:26:51,800 --> 00:26:53,129
have been on fire.
469
00:26:53,130 --> 00:26:57,189
You have this titanium
fire inside both engines,
470
00:26:57,190 --> 00:26:59,029
both the right down the left engine.
471
00:26:59,030 --> 00:27:02,735
And this titanium fire is
a very unique occurrence.
472
00:27:02,736 --> 00:27:05,189
It's requiring very, very high pressure
473
00:27:05,190 --> 00:27:08,559
and very high temperature
for a titanium blade
474
00:27:08,560 --> 00:27:10,099
to catch fire.
475
00:27:10,100 --> 00:27:12,459
Investigators
dig deeper into the cause
476
00:27:12,460 --> 00:27:13,623
of the engine trouble.
477
00:27:14,930 --> 00:27:17,769
The left engines fuel
line is badly dented.
478
00:27:17,770 --> 00:27:20,009
It was obviously hit
by a fast moving piece
479
00:27:20,010 --> 00:27:21,859
of metal inside the engine.
480
00:27:21,860 --> 00:27:24,069
The impact caused it to rupture.
481
00:27:24,070 --> 00:27:28,399
This part, got dislodged, it
went out and hit a fuel line.
482
00:27:28,400 --> 00:27:32,491
And that fuel line cracked
sprayed fuel onto the hot engine.
483
00:27:34,040 --> 00:27:37,799
The engine was clearly
coming apart during the flight.
484
00:27:37,800 --> 00:27:38,900
That sounds serious.
485
00:27:40,810 --> 00:27:43,869
The discovery explains
the fire in the left engine.
486
00:27:43,870 --> 00:27:46,549
And why so many pieces
of it were found so far
487
00:27:46,550 --> 00:27:47,550
from the crash site.
488
00:27:50,300 --> 00:27:52,869
But investigators are left
wondering why the engines
489
00:27:52,870 --> 00:27:54,270
broke up in the first place.
490
00:27:56,630 --> 00:28:00,259
A major clue comes from
passenger and crew testimonies
491
00:28:00,260 --> 00:28:02,319
which told of repeated booming noises
492
00:28:02,320 --> 00:28:04,393
before the left engine caught fire.
493
00:28:06,830 --> 00:28:09,800
The cockpit voice recorder
picked up these sounds
494
00:28:11,260 --> 00:28:13,729
If you can hear that then
we could correlate that
495
00:28:13,730 --> 00:28:15,559
with when the damage occurred
496
00:28:15,560 --> 00:28:17,444
you can see that on the
flight data recorder.
497
00:28:17,445 --> 00:28:20,069
The sounds are
familiar to investigators
498
00:28:20,070 --> 00:28:21,539
and leave no doubt.
499
00:28:21,540 --> 00:28:25,482
The DC-9s engines began
surging shortly after take-off.
500
00:28:26,670 --> 00:28:30,629
Jet engines rely on a steady
stream of air for combustion.
501
00:28:30,630 --> 00:28:32,889
A series of fans move incoming air
502
00:28:32,890 --> 00:28:35,399
through various stages of compression.
503
00:28:35,400 --> 00:28:38,459
But when that flow is
disrupted, fuel at the rear
504
00:28:38,460 --> 00:28:41,493
of the engines ignites
violently and shoots forward.
505
00:28:42,380 --> 00:28:43,533
That's a surge.
506
00:28:44,690 --> 00:28:47,639
You can have a small surge and
you can have a large surge.
507
00:28:47,640 --> 00:28:50,069
You can have the complete
surge on the whole end.
508
00:28:50,070 --> 00:28:51,120
That sound serious.
509
00:28:54,710 --> 00:28:57,439
This surge process was very violent.
510
00:28:57,440 --> 00:29:00,709
So, after a very short
time, we had an aircraft
511
00:29:00,710 --> 00:29:03,649
with two engines that
could not be restarted,
512
00:29:03,650 --> 00:29:06,199
that didn't generate any thrust.
513
00:29:06,200 --> 00:29:10,342
Basically you had a giant
glider at that point.
514
00:29:18,360 --> 00:29:21,149
A closer look at
the fan blades from the front
515
00:29:21,150 --> 00:29:24,359
of the engines explains
why they were surging.
516
00:29:24,360 --> 00:29:25,633
They're badly dented.
517
00:29:29,380 --> 00:29:30,909
The damage would have prevented them
518
00:29:30,910 --> 00:29:34,849
from effectively directing air
to the rear of the engines.
519
00:29:34,850 --> 00:29:37,079
This damage that twisted the fan blade
520
00:29:37,080 --> 00:29:38,429
started this process.
521
00:29:38,430 --> 00:29:41,409
You've got this disturbed
error in the fan.
522
00:29:41,410 --> 00:29:43,969
You've got this rotating fan stall that
523
00:29:43,970 --> 00:29:47,889
then triggered this whole
breakdown that compress the surge.
524
00:29:47,890 --> 00:29:49,529
And then the whole process that led up
525
00:29:49,530 --> 00:29:51,140
to the dual engine failures.
526
00:29:51,141 --> 00:29:54,409
But what
exactly mangled the blades?
527
00:29:54,410 --> 00:29:55,853
There are ways to tell.
528
00:29:56,850 --> 00:29:59,909
Yeah, if it comes from
a stone or rubber, ice
529
00:29:59,910 --> 00:30:02,999
and so on, you can see it
on the shape of the damage.
530
00:30:03,000 --> 00:30:05,979
The ice causes very specific damages.
531
00:30:05,980 --> 00:30:07,978
It's sort of like a soft dent.
532
00:30:07,979 --> 00:30:11,289
Analysis of dent
patterns on the fan blades
533
00:30:11,290 --> 00:30:14,886
is conclusive, they were struck by ice.
534
00:30:20,070 --> 00:30:21,899
Now investigators want to find out
535
00:30:21,900 --> 00:30:23,969
where the ice could have come from.
536
00:30:23,970 --> 00:30:27,275
Weather data for the 24
hours leading up to the crash.
537
00:30:28,540 --> 00:30:30,819
They know
Stockholm had been hit with rain
538
00:30:30,820 --> 00:30:35,129
and snow in the hours
before flight 751 took off.
539
00:30:35,130 --> 00:30:40,130
It was a situation where the
temperature around 30 degrees
540
00:30:40,650 --> 00:30:43,579
it was a drizzle snow rain in the morning.
541
00:30:43,580 --> 00:30:46,049
They learned
that the DC-9 arrived
542
00:30:46,050 --> 00:30:47,749
from Zurich the night before,
543
00:30:47,750 --> 00:30:49,853
with the fuel tanks more than half full.
544
00:30:50,880 --> 00:30:53,809
They had quite a large
amount of reserve fuel,
545
00:30:53,810 --> 00:30:56,519
or diversion fuel in their wings.
546
00:30:56,520 --> 00:30:59,709
The fuel in the wing tanks, very close
547
00:30:59,710 --> 00:31:01,983
to minus 20 degrees celsius.
548
00:31:01,984 --> 00:31:04,739
The conditions
that night were ideal
549
00:31:04,740 --> 00:31:08,379
for the formation of clear
ice on the wing surface.
550
00:31:08,380 --> 00:31:11,531
And here you had very, very cold fuel
551
00:31:11,532 --> 00:31:14,319
on the top wing skin.
552
00:31:14,320 --> 00:31:16,409
And as the temperature
dropped during the night,
553
00:31:16,410 --> 00:31:20,509
it went to snow and rain and finally snow.
554
00:31:20,510 --> 00:31:21,810
So there was a layer cake.
555
00:31:22,960 --> 00:31:27,879
Ice at the bottom, flush and snow on top.
556
00:31:27,880 --> 00:31:31,443
But 10 inches, top of
the wings in the morning.
557
00:31:32,500 --> 00:31:34,679
Responsibility for de-icing the plane
558
00:31:34,680 --> 00:31:36,423
ultimately falls on the Captain.
559
00:31:37,320 --> 00:31:40,623
Rasmussen insists he was aware
of the overnight buildup.
560
00:31:41,530 --> 00:31:44,279
Investigators wonder if
the pilot did all he could
561
00:31:44,280 --> 00:31:47,043
to ensure his plane was
completely free of ice.
562
00:31:50,000 --> 00:31:52,249
Rasmussen claims he instructed technicians
563
00:31:52,250 --> 00:31:54,053
to de-ice the plane thoroughly.
564
00:31:54,990 --> 00:31:56,889
I did a walk around
with, at the aircraft.
565
00:31:56,890 --> 00:31:59,629
It was cold, it was a frosty.
566
00:31:59,630 --> 00:32:01,989
Noticing
that there was still frost
567
00:32:01,990 --> 00:32:04,249
on the wings the head technician ordered
568
00:32:04,250 --> 00:32:05,873
a second round of de-icing.
569
00:32:07,660 --> 00:32:10,310
I was really convinced
that the aircraft was clean.
570
00:32:11,150 --> 00:32:12,833
And so was he, so was he.
571
00:32:14,209 --> 00:32:16,756
Where are we now with the de-icing.
572
00:32:16,757 --> 00:32:18,249
The wings aren't quite done,
573
00:32:18,250 --> 00:32:19,359
they've done the underside.
574
00:32:19,360 --> 00:32:20,669
The cockpit voice recorder
575
00:32:20,670 --> 00:32:23,149
backs up Rasmussen's testimony.
576
00:32:23,150 --> 00:32:25,099
They've got it good
and clean under the wings?
577
00:32:25,100 --> 00:32:25,932
Yes, yeah.
578
00:32:25,933 --> 00:32:29,359
They de-iced aircraft once
and looked again and said
579
00:32:29,360 --> 00:32:32,417
once more and the de-iced
at the second time.
580
00:32:32,418 --> 00:32:36,039
In fact, a
total of 850 liters of fluid
581
00:32:36,040 --> 00:32:37,453
was sprayed on the aircraft.
582
00:32:38,880 --> 00:32:41,909
But the fluid may have been
faulty, not potent enough
583
00:32:41,910 --> 00:32:44,459
to melt the thick layer of
ice that had accumulated
584
00:32:44,460 --> 00:32:45,773
on the wings overnight.
585
00:32:49,730 --> 00:32:52,239
Technicians test samples of the fluid used
586
00:32:52,240 --> 00:32:54,263
to de-ice flight 751.
587
00:32:55,690 --> 00:32:57,383
They found no discrepancies.
588
00:32:58,280 --> 00:33:01,773
There was nothing wrong
with any of the fluids used.
589
00:33:01,774 --> 00:33:03,909
But when
investigators interview
590
00:33:03,910 --> 00:33:06,339
the maintenance crew
that worked on the plane,
591
00:33:06,340 --> 00:33:09,679
they begin wondering if the
dicing team was thorough enough
592
00:33:09,680 --> 00:33:10,683
in their efforts.
593
00:33:12,980 --> 00:33:15,919
The ground crew insists that
after they sprayed the wing
594
00:33:15,920 --> 00:33:20,920
it appeared to be clean, but
that appearance was deceptive.
595
00:33:21,560 --> 00:33:24,809
It looked perfect because the clear ice
596
00:33:24,810 --> 00:33:28,907
on top of the fuel tanks,
you cannot see the clear ice.
597
00:33:30,658 --> 00:33:33,409
A technician
inspected the front of the wing
598
00:33:33,410 --> 00:33:35,219
and found no ice.
599
00:33:35,220 --> 00:33:37,939
He couldn't have known that
there was ice further back
600
00:33:37,940 --> 00:33:39,399
out of his reach.
601
00:33:39,400 --> 00:33:42,959
No provisions for stairs
or anything that he could use
602
00:33:42,960 --> 00:33:45,943
to get up on the wing at
the de-icing platform.
603
00:33:46,850 --> 00:33:51,680
It look shiny and nice,
could see any ice on it
604
00:33:52,600 --> 00:33:57,195
but still there was maybe an
inch of ice on top of the wing
605
00:33:57,196 --> 00:33:58,450
when the aircraft took off.
606
00:33:58,451 --> 00:34:00,859
As soon as
the plane took flight,
607
00:34:00,860 --> 00:34:03,219
the ice became a problem.
608
00:34:03,220 --> 00:34:06,370
On this aircraft the
engines are positioned
609
00:34:07,470 --> 00:34:08,909
behind the wings.
610
00:34:08,910 --> 00:34:12,729
And as the aircraft
rotated and the wings bend
611
00:34:12,730 --> 00:34:15,589
in order to take the
weight of the aircraft,
612
00:34:15,590 --> 00:34:18,859
this ice in the wing roots loosened
613
00:34:18,860 --> 00:34:21,027
and it sucked right into the engine.
614
00:34:21,028 --> 00:34:23,129
The ice
damage, the fan blades
615
00:34:23,130 --> 00:34:25,849
of the front of the engines
and ultimately caused them
616
00:34:25,850 --> 00:34:27,273
to begin surging.
617
00:34:30,120 --> 00:34:32,939
Nobody really expected
that this would happen
618
00:34:32,940 --> 00:34:35,163
or could happen, but it did.
619
00:34:36,146 --> 00:34:39,029
When ice breaks
off the wings during flight,
620
00:34:39,030 --> 00:34:41,343
it doesn't pose a problem
for most aircraft,
621
00:34:42,200 --> 00:34:43,069
but the placement
622
00:34:43,070 --> 00:34:45,919
of a DC-9s engines leaves
the more susceptible
623
00:34:45,920 --> 00:34:46,923
to being struck.
624
00:34:48,150 --> 00:34:51,459
The Pratt and Whitney engines
on flight 751 were designed
625
00:34:51,460 --> 00:34:53,813
to withstand this type of ice ingestion.
626
00:34:56,010 --> 00:34:59,170
Something else must explain the disaster.
627
00:35:00,610 --> 00:35:02,839
Investigators know that the wrong reaction
628
00:35:02,840 --> 00:35:06,179
by a pilot can make surges worse.
629
00:35:06,180 --> 00:35:08,779
They go through the
flight data to see what
630
00:35:08,780 --> 00:35:11,939
these pilots did when
the emergency struck.
631
00:35:11,940 --> 00:35:14,969
The first thing you do
when you have a surge,
632
00:35:14,970 --> 00:35:19,148
if you recognize that the
surge is that you reduce power.
633
00:35:19,149 --> 00:35:21,963
Captain Rasmussen
claims he did just that.
634
00:35:23,830 --> 00:35:26,219
Of course you just
pulled the throttle back
635
00:35:26,220 --> 00:35:27,819
and then you have to, the balance
636
00:35:27,820 --> 00:35:30,199
between the incoming
fuel and incoming air.
637
00:35:30,200 --> 00:35:32,363
And now that was actually what I did.
638
00:35:33,372 --> 00:35:35,519
But the flight data recorder
639
00:35:35,520 --> 00:35:37,239
tells a different story.
640
00:35:37,240 --> 00:35:39,829
Why is the engine power increasing?
641
00:35:39,830 --> 00:35:41,709
It clearly shows that in the moments
642
00:35:41,710 --> 00:35:44,659
after the surge thrust was reduced,
643
00:35:44,660 --> 00:35:47,159
but then seconds later it was increased
644
00:35:47,160 --> 00:35:48,693
to beyond full power.
645
00:35:49,750 --> 00:35:53,139
Yeah, it didn't add up
because the RPM was increasing
646
00:35:53,140 --> 00:35:57,539
to 110% in the throttle
position was moving.
647
00:35:57,540 --> 00:35:58,889
It shouldn't be.
648
00:35:58,890 --> 00:36:01,199
The only thing that
could move the throttles
649
00:36:01,200 --> 00:36:02,828
at then was pilots hand.
650
00:36:03,710 --> 00:36:05,139
But if Rasmussen didn't push
651
00:36:05,140 --> 00:36:07,743
the throttles forward, something else did.
652
00:36:09,210 --> 00:36:11,439
It would explain the Captain's confusion
653
00:36:11,440 --> 00:36:12,940
as his engines began to surge.
654
00:36:14,070 --> 00:36:17,309
As a pilot when you
gone through the training
655
00:36:17,310 --> 00:36:18,669
you'd done all your emergency training.
656
00:36:18,670 --> 00:36:21,059
You've been through the simulator
and now you have a system
657
00:36:21,060 --> 00:36:24,499
that is doing something
that you don't expect.
658
00:36:24,500 --> 00:36:25,923
It's very confusing.
659
00:36:27,334 --> 00:36:29,959
Despite
their relentless efforts,
660
00:36:29,960 --> 00:36:32,809
investigators can find
no possible explanation
661
00:36:32,810 --> 00:36:34,149
for the increase in thrust.
662
00:36:34,150 --> 00:36:36,239
The frustrating part
with the investigation was
663
00:36:36,240 --> 00:36:41,089
that we could not figure out
why the system did what it did.
664
00:36:41,090 --> 00:36:43,849
Then almost two months
after the accident
665
00:36:43,850 --> 00:36:46,403
the planes manufacturer
provides the answer.
666
00:36:47,440 --> 00:36:48,999
The culprit is something called
667
00:36:49,000 --> 00:36:51,065
Automatic Thrust Restoration.
668
00:36:55,161 --> 00:36:55,993
It's brand new.
669
00:36:55,994 --> 00:36:58,914
It automatically increases
the thrust during the climb.
670
00:36:58,915 --> 00:37:00,679
Swedish authorities learned
671
00:37:00,680 --> 00:37:03,649
that Automatic Thrust Restoration or ATR
672
00:37:03,650 --> 00:37:06,349
was recently introduced
as a safety feature
673
00:37:06,350 --> 00:37:09,389
on Scandinavian Airlines planes.
674
00:37:09,390 --> 00:37:12,809
It existed because the FAA
had discovered some pilots
675
00:37:12,810 --> 00:37:15,369
were throttling back
considerably while taking off
676
00:37:15,370 --> 00:37:18,973
and landing to reduce noise
over residential neighborhoods.
677
00:37:19,960 --> 00:37:22,699
The ATR was designed to
make it impossible for them
678
00:37:22,700 --> 00:37:24,833
to throttle back to dangerous levels.
679
00:37:25,830 --> 00:37:28,613
So as soon as he power
back, the system kicked in.
680
00:37:29,872 --> 00:37:31,679
Investigators learned that
681
00:37:31,680 --> 00:37:35,249
when Rasmussen reduced power
to clear his engine surge,
682
00:37:35,250 --> 00:37:38,719
the system read this as a
dangerously low power setting
683
00:37:38,720 --> 00:37:40,283
and push the throttles forward.
684
00:37:43,440 --> 00:37:46,189
The increased thrust
made the surging worse
685
00:37:46,190 --> 00:37:48,780
until the engines destroyed themselves.
686
00:37:49,940 --> 00:37:52,039
The investigation
concludes that the pilots
687
00:37:52,040 --> 00:37:54,409
had taken the right
steps to clear the surge
688
00:37:54,410 --> 00:37:56,529
and prevent the catastrophe.
689
00:37:56,530 --> 00:37:58,459
But the computer code which governs
690
00:37:58,460 --> 00:38:01,253
the ATR undermined their efforts.
691
00:38:02,450 --> 00:38:07,450
The strip of serious and
once caused the throttles
692
00:38:08,180 --> 00:38:13,180
to move and caused the
engines that were stalling
693
00:38:13,500 --> 00:38:17,263
because he already got too
much fuel or even more fuel.
694
00:38:18,260 --> 00:38:21,009
And it went into self-destruct
both the engines,
695
00:38:21,010 --> 00:38:25,970
only in a few seconds, they're
both totally destroyed.
696
00:38:38,800 --> 00:38:42,039
The system was so new
to Scandinavian Airlines
697
00:38:42,040 --> 00:38:44,609
that nobody there had even heard of it.
698
00:38:44,610 --> 00:38:45,739
And it was confusing for everyone
699
00:38:45,740 --> 00:38:48,499
because we didn't know about the system.
700
00:38:48,500 --> 00:38:51,649
We didn't have information on the system.
701
00:38:51,650 --> 00:38:54,509
SAS didn't know the system
existed on their aircraft
702
00:38:54,510 --> 00:38:56,360
We hadn't bought that modification.
703
00:38:58,090 --> 00:39:03,090
And it was sneaked in via another system.
704
00:39:03,520 --> 00:39:06,809
Because he
didn't know about the ATR,
705
00:39:06,810 --> 00:39:09,809
Rasmussen was unaware that
he could only save his plane
706
00:39:09,810 --> 00:39:11,859
by switching it off.
707
00:39:11,860 --> 00:39:15,129
News that the Automatic Thrust
Restoration was responsible
708
00:39:15,130 --> 00:39:17,419
for the accident proved both a blessing
709
00:39:17,420 --> 00:39:19,703
and a curse for Captain Rasmussen.
710
00:39:21,120 --> 00:39:23,773
It eliminated any notion
that he had made a mistake.
711
00:39:25,930 --> 00:39:28,399
When I got that measures,
I was really released.
712
00:39:28,400 --> 00:39:30,609
It was like winning in the lottery.
713
00:39:30,610 --> 00:39:33,280
It was a, because I was so happy
714
00:39:35,200 --> 00:39:38,219
because then I could explain why I was
715
00:39:38,220 --> 00:39:41,918
in that total kind of confusion.
716
00:39:41,919 --> 00:39:43,969
But the
fallout would ultimately
717
00:39:43,970 --> 00:39:47,098
destroy a love affair and end a career.
718
00:39:51,940 --> 00:39:54,589
On October the 20th, 1993,
719
00:39:54,590 --> 00:39:57,749
the Swedish Accident Investigation
Board releases its report
720
00:39:57,750 --> 00:39:59,863
on the crash of flight 751.
721
00:40:01,860 --> 00:40:04,589
It determines that the
actions of Captain Rasmussen
722
00:40:04,590 --> 00:40:07,049
and first officer Cedermark contributed
723
00:40:07,050 --> 00:40:09,436
to the safe outcome of this incident.
724
00:40:12,770 --> 00:40:14,639
And although investigators question
725
00:40:14,640 --> 00:40:17,299
Captain Per Holmberg
decision to enter the cockpit
726
00:40:17,300 --> 00:40:20,663
in the first place, they
do praise his contribution.
727
00:40:22,680 --> 00:40:26,119
This group flew until they
stood still on the ground.
728
00:40:26,120 --> 00:40:29,123
They never gave up, they never gave up.
729
00:40:29,960 --> 00:40:30,999
They didn't give an inch.
730
00:40:31,000 --> 00:40:33,609
The investigators
put much of the blame
731
00:40:33,610 --> 00:40:36,119
for the accident on Scandinavian Airlines.
732
00:40:36,120 --> 00:40:37,749
Because their procedures for checking
733
00:40:37,750 --> 00:40:39,723
for clear ice were inadequate.
734
00:40:53,184 --> 00:40:56,063
I believe it's a compressor stall.
735
00:40:56,064 --> 00:40:58,689
The report
also condemns the fact
736
00:40:58,690 --> 00:40:59,939
that the pilots didn't know
737
00:40:59,940 --> 00:41:02,219
about the Automatic Thrust Restoration
738
00:41:02,220 --> 00:41:04,683
and how it would act in a surge situation.
739
00:41:05,740 --> 00:41:07,869
If the ATR system hadn't been there
740
00:41:07,870 --> 00:41:10,363
if the throttles hadn't moved forward,
741
00:41:11,290 --> 00:41:12,769
there wouldn't have been an accident.
742
00:41:12,770 --> 00:41:14,429
It was a bit strange
743
00:41:14,430 --> 00:41:17,989
that we didn't have all the
documentation available to us.
744
00:41:17,990 --> 00:41:20,529
So we knew what we could
expect if something,
745
00:41:20,530 --> 00:41:22,965
it wouldn't, like this would happened
746
00:41:22,966 --> 00:41:24,919
In the wake of the crash,
747
00:41:24,920 --> 00:41:27,779
Scandinavian Airlines
started training its pilots
748
00:41:27,780 --> 00:41:29,713
how to use the ATR system.
749
00:41:31,300 --> 00:41:33,819
They also implemented
steps to ensure airplanes
750
00:41:33,820 --> 00:41:36,969
don't take off with
clear ice on the wings.
751
00:41:36,970 --> 00:41:40,559
We changed all the
procedures, we provided stairs
752
00:41:40,560 --> 00:41:43,969
for the mechanics, and
we made it a requirement
753
00:41:43,970 --> 00:41:47,199
to go up on top of the wing
and touch it with your hand
754
00:41:47,200 --> 00:41:49,763
to verify after de-icing.
755
00:41:50,980 --> 00:41:52,789
After
healing from his injuries,
756
00:41:52,790 --> 00:41:55,763
first, officer Ulf Cedermark
returned to the cockpit.
757
00:42:00,090 --> 00:42:02,419
I didn't feel the responsibility
758
00:42:02,420 --> 00:42:06,629
that I wouldn't be able
to do my job again.
759
00:42:06,630 --> 00:42:09,649
Whatever happens, I know
that I still can see things
760
00:42:09,650 --> 00:42:11,309
for what they are.
761
00:42:11,310 --> 00:42:12,779
And I still love doing my job.
762
00:42:12,780 --> 00:42:16,139
And if something bad happens
so I can deal with it.
763
00:42:16,140 --> 00:42:19,453
But Stefan Rasmussen's return
proved far more difficult.
764
00:42:21,300 --> 00:42:23,599
Set power.
765
00:42:23,600 --> 00:42:27,019
After I'd head from a
high skilled psychologist,
766
00:42:27,020 --> 00:42:29,413
we talked about getting in the air again.
767
00:42:30,780 --> 00:42:33,823
He knew that would be a
hard decision to take.
768
00:42:35,215 --> 00:42:36,047
Gear up.
769
00:42:52,995 --> 00:42:55,929
After time in
the simulator, Rasmussen
770
00:42:55,930 --> 00:42:58,139
couldn't regain confidence in his plane.
771
00:42:58,140 --> 00:42:58,973
Sorry, guys.
772
00:43:00,132 --> 00:43:04,660
In a disaster this situation, in a crisis
773
00:43:05,530 --> 00:43:10,530
is that you have optimized the teamwork
774
00:43:11,590 --> 00:43:13,273
between man and machine.
775
00:43:14,674 --> 00:43:18,907
I really felt that I
didn't trust the aircraft.
776
00:43:21,470 --> 00:43:24,509
Pilots tends to take the responsibility
777
00:43:24,510 --> 00:43:25,860
before all that went wrong.
778
00:43:27,730 --> 00:43:29,539
Too much of the glory,
779
00:43:29,540 --> 00:43:32,653
and also too much of the responsibility.
780
00:43:33,888 --> 00:43:37,159
With the
right counseling, about 90%
781
00:43:37,160 --> 00:43:39,669
of pilots involved in an accident are able
782
00:43:39,670 --> 00:43:40,933
to continue flying.
783
00:43:46,120 --> 00:43:49,309
Even though Captain
Rasmussen received treatment,
784
00:43:49,310 --> 00:43:52,819
his career ended with
the crash of flight 751.
785
00:43:52,820 --> 00:43:56,983
Taking that decision to
leave aviation as pilot,
786
00:43:57,860 --> 00:44:02,380
was like having you, your highest love
787
00:44:03,460 --> 00:44:08,460
and come to that conclusion
that you have to kill her.
788
00:44:13,990 --> 00:44:18,990
I had many hours, many missions
of happiness in an aircraft.
789
00:44:23,860 --> 00:44:28,219
And I loved my passengers,
I loved my aircraft so much.
790
00:44:28,220 --> 00:44:31,768
So I said, that's it.
791
00:44:38,540 --> 00:44:39,983
I never regret it, never.
792
00:44:43,000 --> 00:44:44,200
And I think I was right.
62077
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